div {
    margin: 10px;
    padding: 2px;
}

input {
    padding: 2px;
}

table {
    border-collapse: collapse;
}

th {
    margin: 4px;
    padding: 4px;
    border: 1px solid #aaa;
    background-color: #eee;
    text-align: center;
}

td {
    margin: 4px;
    padding: 4px;
    border: 1px solid #aaa;
    text-align: left;
}

button {
  margin: 10px;
  padding: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  height: 30px;
}

span {
    margin: 4px;
    padding: 2px;
    text-align: left;
}
